Building Materials First class timber has an average life of More than 10 years 1 to 5 years Less than one year 5 to 10 years More than 10 years 1 to 5 years Less than one year 5 to 10 years ANSWER DOWNLOAD EXAMIANS APP
Building Materials Non acid-resistant asbestos is: Amosite asbestos Tremolite asbestos None of these Chrysotile asbestos Amosite asbestos Tremolite asbestos None of these Chrysotile asbestos ANSWER DOWNLOAD EXAMIANS APP
Building Materials In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is Right angles Parallel 45° 60° Right angles Parallel 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Building Materials Number of bricks required for one cubic metre of brick masonry is 400 300 200 500 400 300 200 500 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting time of cement for asbestos cement products should be not less than 90 minutes 75 minutes 30 minutes 50 minutes 90 minutes 75 minutes 30 minutes 50 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To improve the workability of concrete mix To render the concrete more water tight To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
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